425422 has 8 divisors (see below), whose sum is σ = 641016. Its totient is φ = 211752.

The previous prime is 425419. The next prime is 425423. The reversal of 425422 is 224524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 425422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388 + ... + 1000.

It is an arithmetic number, because the mean of its divisors is an integer number (80127).

2⁴²⁵⁴²² is an apocalyptic number.

425422 is a deficient number, since it is larger than the sum of its proper divisors (215594).

425422 is a wasteful number, since it uses less digits than its factorization.

425422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its digits is 640, while the sum is 19.

The square root of 425422 is about 652.2438194418. The cubic root of 425422 is about 75.2096062498.

Adding to 425422 its reverse (224524), we get a palindrome (649946).

The spelling of 425422 in words is "four hundred twenty-five thousand, four hundred twenty-two".